Leticia bought a new tablet for 425$. She had to pay a sales tax of 8%. what was the amount of sales taxes he paid on the tablet

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Simply 8x squared + 5(7x squared- x) - 2x =